.yongyin {
    width:100px;
    text-align:center;
    line-height:100%;
    padding:0.3em;
    font:16px Arial,sans-serif bold;
    font-style:normal;
    text-decoration:none;
    margin:2px;
    vertical-align:text-bottom;
    zoom:1;
    outline:none;
    font-size-adjust:none;
    font-stretch:normal;
    border-radius:50px;
    box-shadow:0px 1px 2px rgba(0,0,0,0.2);
    text-shadow:0px 1px 1px rgba(0,0,0,0.3);
    color:#fefee9;
    border:0.2px solid #2299ff;
    background-repeat:repeat;
    background-size:auto;
    background-origin:padding-box;
    background-clip:padding-box;
    background-color:#3399ff;
    background: linear-gradient(to bottom, #eeeff9 0%,#3399ff 100%);
}

.yongyin:hover {
    background: #268DFF;
}



.button11{
    position: relative;/*必须添上这一句，否则波纹布满整个页面*/
    background: dodgerblue;
    border: none;
    color: white;
    width: 180px;
    font-size: 16px;/*可以通过字体控制button大小*/
    padding: 20px;
    border-radius: 12px;
    transition-duration: 0.4s;
    overflow: hidden;
    outline-style: none;/*去除点击时外部框线*/

}
